Archives

01 Sep 2023 GT40 Terminal II: Lunar Lander
21 Aug 2023 GT40 Terminal
21 Mar 2022 Apple II Plus: power supply and language card
13 Mar 2022 Sanyo VM4209
15 Aug 2021 BASIC-11 under RT11
24 Mar 2021 Unibone
09 Mar 2021 PDP-11/34
01 Mar 2021 Atari Tempest repairs
26 Feb 2021 Project Genius pyramid puzzle
26 Feb 2021 Trav-ler 5028 Repair
27 Nov 2020 PDP-11/45: Reversing a vintage DL11 hack
21 Nov 2020 PDP-11/45: Some more floating point trouble
25 Oct 2020 PDP-11/45: V6 Unix Troubleshooting, Part II
24 Oct 2020 PDP-11/45: V6 Unix Troubleshooting
07 Jun 2020 PDP-11/45: ECOs
25 May 2020 PDP-11/45: Parity error handling
21 Jan 2019 PDP-11/45: V6 Unix attempts & MS11-L repairs
07 Jan 2019 PDP-11/45: RSTS/E V06C attempts
09 Dec 2018 PDP-11/45 Behaving Badly
09 Dec 2017 PDP-11/45: LA30 repair IV
02 Dec 2017 PDP-11/45: LA30 repair III
26 Nov 2017 PDP-11/45: LA30 repair II
25 Nov 2017 PDP-11/45: LA30 repair
15 Jul 2017 PDP-11/45: VT52 Keyboard Repair
09 Jul 2017 PDP-11/45: Data Recovery
06 Jul 2017 PDP-11/45: First RT-11 Boot From Disk!
04 Jul 2017 PDP-11/45: M9301 Troubles
25 Jun 2017 PDP-11/45: RK11 VII
08 Jun 2017 PDP-11/45: RK11 VI - "Pole" and Interrupt Issues
21 May 2017 PDP-11/45: RK11 V - Checksum issues
14 May 2017 PDP-11/45: CPU debug VI - RK11 NPRs and first disk boot!
09 Apr 2017 PDP-11/45: RK05 II - Head Load and Servo Calibration
01 Apr 2017 PDP-11/45: RK11 IV
19 Mar 2017 PDP-11/45: RK05
26 Feb 2017 PDP-11/45: RK11 III
20 Feb 2017 PDP-11/45: RK11 II
29 Jan 2017 PDP-11/45: RK11
16 Jan 2017 PDP-11/45: Diagnostics XIV - CPU, MMU, FPU Complete!
24 Nov 2016 PDP-11/45: Diagnostics XIII - FP11 FPU, cont.
30 Oct 2016 PDP-11/45: Diagnostics XII - FP11 FPU, cont.
23 Oct 2016 PDP-11/45: Diagnostics XI - FP11 FPU, cont.
01 Oct 2016 PDP-11/45: Diagnostics X - FP11 FPU, cont.
18 Sep 2016 PDP-11/45: H720E teardown and inspection
10 Sep 2016 PDP-11/45: Diagnostics IX - FP11 FPU, cont.
03 Sep 2016 PDP-11/45: Diagnostics VIII - FP11 FPU
13 Aug 2016 PDP-11/45: Diagnostics VII - KT11 MMU
07 Aug 2016 PDP-11/45: Diagnostics VI - GRA ALU PROM repair
31 Jul 2016 PDP-11/45: Diagnostics V - D0AA0-D0MA0, CKBOA0
17 Jul 2016 PDP-11/45: Diagnostics IV - CKBME0
16 Jul 2016 PDP-11/45: VT52 repair
09 Jul 2016 PDP-11/45: Diagnostics III - CKBME0
04 Jul 2016 PDP-11/45: Diagnostics II
03 Jul 2016 PDP-11/45: Diagnostics with PDP11GUI
26 Jun 2016 PDP-11/45: Serial console and backplane SPC slots
23 Jun 2016 PDP-11/45: Running the M9301 console emulator
19 Jun 2016 PDP-11/45: CPU debug V -- chasing lights!
18 Jun 2016 PDP-11/45: MS11-L debug
12 Jun 2016 PDP-11/45: MS11-L and CPU debug IV
11 Jun 2016 PDP-11/45: KM11 replica and CPU debug III
05 Jun 2016 PDP-11/45: CPU debug II
30 May 2016 PDP-11/45: Power fixes and CPU debug
08 May 2016 PDP-11/45: Initial Power On!
23 Apr 2016 PDP-11/45: Power Harness, continued
17 Apr 2016 PDP-11/45: Power Harness
09 Apr 2016 PDP-11/45: Some parts from eBay
03 Jan 2016 PDP-11/45: VT52
03 Jul 2015 PDP-11/45: CPU Backplane and logic
21 Jun 2015 PDP-11/45: H742s and front panel
07 Jun 2015 PDP-11/45: AC power and cooling
23 May 2015 PDP-11/45: H742 power control boards
11 Apr 2015 PDP-11/45: Teardown and corrosion remediation
29 Mar 2015 PDP-11/45: 861 AC power control
15 Mar 2015 PDP-11/45: Begin Again
02 Dec 2014 three.js and JSFiddle
01 Dec 2014 Moebious transformation animated GIFs